CN102839015A - Method for producing road asphalt through super heavy oil - Google Patents
Method for producing road asphalt through super heavy oil Download PDFInfo
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- CN102839015A CN102839015A CN2012103470739A CN201210347073A CN102839015A CN 102839015 A CN102839015 A CN 102839015A CN 2012103470739 A CN2012103470739 A CN 2012103470739A CN 201210347073 A CN201210347073 A CN 201210347073A CN 102839015 A CN102839015 A CN 102839015A
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Abstract
The invention relates to a method for producing road asphalt through super heavy oil. The method is characterized by comprising the following steps of: adding 5-20m percent by mass of oil component into Liao river super heavy oil; carrying out cracking reaction at the temperature of 365-410 DEG C for 40-200 minutes; feeding a reaction product into a vacuum tower, and carrying out vacuum fractional distillation; and controlling a cutting temperature of vacuum distillate to be larger than or equal to 410 DEG C so as to obtain tower bottom vacuum residual oil, namely a qualified heavy duty road petroleum asphalt series product, wherein the oil component is one or more of atmospheric pressure residual oil of low-wax thickened oil, vacuum residuum, vacuum gas oil, or wax oil which has narrow fraction with a fraction range being from 250 DEG C to 540 DEG C and is generated in a Liao river super heavy oil thermal cracking process. The road petroleum asphalt product produced by the method meets the GB/T15180-2010 technical requirements.
Description
Technical field
The invention belongs to the Petroleum Processing Technology field, relate to a kind of method of producing road asphaltum using super thick oil as raw material.
Background technology
The naphthenic base crude resource accounts for about 2.2% of world's crude oil reserves, hangs down the just rare more of wax, and this type naphthenic base crude is to produce various electric oily, the low good raw materials that coagulate naphthenic lube oil and asphalt for high-grade highway of using.The Liaohe River high viscous crude that the Liaohe Oil Field produces has just possessed these characteristics, and it is big (above 1000Kg/m that this crude oil has density
3), viscosity is big, acid number is high, colloid and asphalt content high, carbon residue and metals content impurity are high; Characteristics such as wax content is low contain gasoline hardly in crude oil is formed, only contain a spot of diesel oil; Greater than 350 ℃ residual oil is more than the 90m%; Should be the good raw material of producing road bitumen from this crude oil of oil property, but adopt traditional distillation method can't produce the heavy traffic paving asphalt that satisfies the GB/T15180-2010 standard, main existing problems are low for flash-point, vaporization losses is big.To this problem, technology and patent that multiple ultra viscous crude is produced heavy traffic paving asphalt have been developed.
Liaohe River petro-chemical corporation utilizes the low viscous crude that coagulates in the ultra viscous crude in the Liaohe River and the Liaohe River to mix, and adopts distillation method to produce qualified heavy traffic paving asphalt series product.But this technology has reduced the low yield that coagulates the viscous crude thick oil in the Liaohe River, the low overall economic efficiency of coagulating the processing of viscous crude crude oil of influence.
The gilsonite mediation of adopting heavy grease extraction oil and the distillation of ultra viscous crude to produce can be produced qualified heavy traffic paving asphalt product, but because heavy grease is extracted oily cost height out, and this component is also more rare, can influence the overall economic efficiency of crude oil processing equally.
Patent CN 101676365A discloses a kind of method of directly producing road asphalt by mild cracking super-heavy crude oil, and this method gets into dehydration tower with high viscous crude through interchanger heating back, after dehydration tower is isolated a small amount of moisture gasoline, enters into process furnace; After the process process furnace is heated to 380-430 ℃, get into shallow degree cracking case, in reactor drum, stop 20-120min, 100 ℃ of viscosity are at 100-600mm after the shallow degree cracking of control high viscous crude
2/ s.Get into distillation tower then, controlled temperature 410-430 ℃ isolate gasoline, diesel oil and gas oil after, be met the heavy traffic paving asphalt that GB/T15180 requires.Though the AH-70, AH-90, the AH-110 that utilize this technology to produce satisfy the GB requirement, but still it is bigger than normal to exist vaporization losses, thereby influence the quality of asphaltic products..
Therefore, be badly in need of developing the ultra viscous crude in the Liaohe River and produce oil road bitumen series product technology, the quality that on the prior art basis, further improves asphaltic products. satisfies the demand in production and market.
Summary of the invention
(density surpasses 1000Kg/m to the purpose of this invention is to provide a kind of ultra viscous crude
3) method of producing the oil road bitumen, on the prior art basis, further reduce bituminous vaporization losses, improve the quality of asphaltic products., to satisfy the needs of national economy high speed development.
Theoretical foundation of the present invention is; In ultra viscous crude, add a kind of petroleum component, make the colloidal dispersion of compositions such as colloid in the ultra viscous crude, bituminous matter more stable, utilize this raw material to carry out thermally splitting; Content minimizing, the light constituent of the pitch medium pitch matter of cracked oil production are increased; Improve the bituminous cutting temperature thereby can reach, reduce pitch vaporization losses, improve the purpose of asphalt quality.
The method of producing road asphaltum using super thick oil as raw material of the present invention is characterized in that: in the ultra viscous crude in the Liaohe River, add a kind of petroleum component; Carry out the heat cracking reaction of appropriateness under certain condition; Reaction product gets into vacuum distillation tower and carries out vacuum fractionation; The cutting scheme of control reduced pressure distillate obtains vacuum residuum at the bottom of the different towers, is qualified heavy traffic paving asphalt series product.
Wherein petroleum component is in the wax oil that produces in the long residuum of low wax viscous crude, vacuum residuum, cut scope wax oil or narrow fraction and this Liaohe River ultra-thick oil thermal cracking process between 250-540 ℃ one or more.
The add-on of wherein said petroleum component is 5-20m%, and the heat cracking reaction temperature is 365-410 ℃, and the reaction times is 40-200 minutes.
Wherein said decompression cutting temperature is more than or equal to 410 ℃, and vacuum residuum is the road bitumen product that will produce.
The oil road bitumen product that the ultra viscous crude in the Liaohe River adopts this method to produce satisfies the GB/T15180-2010 technical requirements.
Description of drawings
Accompanying drawing is the process flow sheet of producing road asphaltum using super thick oil as raw material,
Wherein: 1, the ultra viscous crude in the Liaohe River; 2, petroleum component; 3, thermal cracking reactor; 4, vacuum distillation tower; 5, subtract top light gas oil gas; 6, vacuum gas oil; 7, oil road bitumen.
Embodiment
Ultra viscous crude of the present invention is produced the method for bi tumenf orr oad; The ultra viscous crude 1 in the Liaohe River mixes with petroleum component 2; Petroleum component 2 accounts for 5-20m% in mixing oil; It is to react under the condition in 40-200 minutes in 365-410 ℃ of temperature, time that mixing oil gets into thermal cracking reactor 3; Reaction product gets into vacuum distillation tower 4 and carries out vacuum fractionation, and the cutting temperature of control reduced pressure distillate is more than or equal to 410 ℃, obtain subtracting top light gas oil gas 5, vacuum gas oil 6, tower respectively at the bottom of vacuum residuum 7 be the heavy traffic oil road bitumen product that satisfies the GB/T15180-2010 technical requirements.
Several kinds of typical cases hang down wax viscous crude normal pressure, vacuum residuum, and the character of wax oil sees the following form.
The long residuum that adds a certain amount of low wax viscous crude in the ultra viscous crude in embodiment 1 Liaohe River
The long residuum a, the b that add the low wax viscous crude of 10m%, 5m% in the ultra viscous crude in the Liaohe River respectively; Carry out the lab scale test in the laboratory; Temperature of reaction is respectively 380 ℃, 100 minutes residence time; The generation oil that obtains carries out true boiling point distillation and obtains pitch, and its character satisfies the AH-90 technical requirements of GB/T15180-2010, and wherein quality change is respectively 0.15m%, 0.23m% in the Thin Film Oven Test TFOT.
Contrast 1: quality change is 1.31m% in the AH-70 bituminous Thin Film Oven Test TFOT that the ultra viscous crude straight run distillation in the Liaohe River obtains; Quality change is 1.22m% in the AH-70 bituminous Thin Film Oven Test TFOT that the long residuum a straight run distillation of the low wax viscous crude of adding 10m% obtains in the ultra viscous crude in the Liaohe River; The ultra viscous crude in the Liaohe River is 380 ℃ in temperature of reaction, and 100 minutes residence time, the generation oil that obtains carries out true boiling point distillation and obtains pitch, and its character satisfies the AH-90 technical requirements of GB/T15180-2010, but quality change is 0.79m% in the Thin Film Oven Test TFOT.
The vacuum residuum that adds a certain amount of low wax viscous crude in the ultra viscous crude in embodiment 2 Liaohe River
The vacuum residuum c, the d (character is seen table) that add the low wax viscous crude of 8m%, 20m% in the ultra viscous crude in the Liaohe River respectively; Carry out the lab scale test in the laboratory; Temperature of reaction is 365 ℃, and 200 minutes residence time, the generation oil that obtains carries out true boiling point distillation and obtains pitch; Its character satisfies AH-70, the AH-90 technical requirements of GB/T15180-2010, and wherein quality change AH-70 is 0.10m%, 0.09m% in the Thin Film Oven Test TFOT; AH-90 is respectively 0.17m%, 0.13m%.
Contrast 2: quality change is 1.31m% in the AH-70 bituminous Thin Film Oven Test TFOT that the ultra viscous crude straight run distillation in the Liaohe River obtains; The ultra viscous crude in the Liaohe River is 365 ℃ in temperature of reaction; 200 minutes residence time; The generation oil that obtains carries out true boiling point distillation and obtains pitch, and its character satisfies AH-70, the AH-90 technical requirements of GB/T15180-2010, but quality change is respectively 0.77m%, 0.84m% in the Thin Film Oven Test TFOT.
The decompressed wax oil that adds a certain amount of low wax viscous crude in the ultra viscous crude in embodiment 3 Liaohe River
The subtracting two, subtract three-way distillate (character is seen table) of low wax viscous crude that adds 6m%, 12m% in the ultra viscous crude in the Liaohe River respectively; Carry out the lab scale test in the laboratory; Temperature of reaction is 410 ℃, and 40 minutes residence time, the generation oil that obtains carries out true boiling point distillation and obtains pitch; Its character satisfies AH-70, the AH-90 technical requirements of GB/T15180-2010, and wherein quality change AH-70 is respectively 0.05m%, 0.04m% in the Thin Film Oven Test TFOT; AH-90 is respectively 0.08m%, 0.07m%.
Contrast 3: quality change is 1.31m% in the AH-70 bituminous Thin Film Oven Test TFOT that the ultra viscous crude straight run distillation in the Liaohe River obtains; The ultra viscous crude in the Liaohe River is 410 ℃ in temperature of reaction; 40 minutes residence time; The generation oil that obtains carries out true boiling point distillation and obtains pitch, and its character satisfies AH-70, the AH-90 technical requirements of GB/T15180-2010, but quality change is respectively 0.72m%, 0.81m% in the Thin Film Oven Test TFOT.
Add a certain amount of Liaohe River ultra-thick oil thermal cracked decompressed wax oil in the ultra viscous crude in embodiment 4 Liaohe River
The shallow degree thermally splitting of the ultra viscous crude in the Liaohe River second line of distillation wax oil (character is seen table) that adds 11m% in the ultra viscous crude in the Liaohe River; Carry out the lab scale test in the laboratory; Temperature of reaction is 410 ℃, and 40 minutes residence time, the generation oil that obtains carries out true boiling point distillation and obtains pitch; Its character satisfies AH-70, the AH-90 technical requirements of GB/T15180-2010, and wherein quality change is respectively 0.06m%, 0.10m% in the Thin Film Oven Test TFOT.
Contrast 4: quality change is 1.31m% in the AH-70 bituminous Thin Film Oven Test TFOT that the ultra viscous crude straight run distillation in the Liaohe River obtains; The ultra viscous crude in the Liaohe River is 410 ℃ in temperature of reaction; 40 minutes residence time; The generation oil that obtains carries out true boiling point distillation and obtains pitch, and its character satisfies AH-70, the AH-90 technical requirements of GB/T15180-2010, but quality change is respectively 0.72m%, 0.81m% in the Thin Film Oven Test TFOT.
Low wax viscous crude long residuum character
Low wax viscous crude vacuum residuum character
Low wax viscous crude wax oil and the shallow degree thermally splitting of viscous crude wax oil character
Attach: the specification requirement of GB/T15180-2010 heavy traffic paving asphalt
Claims (1)
1. the method for a producing road asphaltum using super thick oil as raw material; It is characterized in that: the petroleum component that in the ultra viscous crude in the Liaohe River, adds quality 5-20m%; In 365-410 ℃ of temperature, time is to carry out heat cracking reaction under the condition in 40-200 minutes, and reaction product gets into vacuum distillation tower and carries out vacuum fractionation, and the cutting temperature of control reduced pressure distillate is more than or equal to 410 ℃; Obtain vacuum residuum at the bottom of the tower, be qualified heavy traffic paving asphalt series product;
Wherein petroleum component is in the wax oil that produces in the long residuum of low wax viscous crude, vacuum residuum, cut scope wax oil or narrow fraction and this Liaohe River ultra-thick oil thermal cracking process between 250-540 ℃ one or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210347073.9A CN102839015B (en) | 2012-09-18 | 2012-09-18 | Method for producing road asphalt through super heavy oil |
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| CN201210347073.9A CN102839015B (en) | 2012-09-18 | 2012-09-18 | Method for producing road asphalt through super heavy oil |
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| CN102839015A true CN102839015A (en) | 2012-12-26 |
| CN102839015B CN102839015B (en) | 2014-10-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231308A (en) * | 1998-04-07 | 1999-10-13 | 中国石油化工总公司 | Method for producing road asphalt with improved ageing resistance |
| JP2007176988A (en) * | 2005-12-27 | 2007-07-12 | Nippon Oil Corp | Method of manufacturing paving asphalt and paving asphalt obtained thereby |
| CN101457023A (en) * | 2007-12-12 | 2009-06-17 | 中国石油天然气股份有限公司 | Method for preparing polymer modified asphalt by one-step method |
| CN101676365A (en) * | 2008-09-18 | 2010-03-24 | 中国石油天然气股份有限公司 | Method for directly producing road asphalt by mild cracking super-heavy crude oil |
-
2012
- 2012-09-18 CN CN201210347073.9A patent/CN102839015B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231308A (en) * | 1998-04-07 | 1999-10-13 | 中国石油化工总公司 | Method for producing road asphalt with improved ageing resistance |
| JP2007176988A (en) * | 2005-12-27 | 2007-07-12 | Nippon Oil Corp | Method of manufacturing paving asphalt and paving asphalt obtained thereby |
| CN101457023A (en) * | 2007-12-12 | 2009-06-17 | 中国石油天然气股份有限公司 | Method for preparing polymer modified asphalt by one-step method |
| CN101676365A (en) * | 2008-09-18 | 2010-03-24 | 中国石油天然气股份有限公司 | Method for directly producing road asphalt by mild cracking super-heavy crude oil |
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